Parallel Lines and Transversals Vocabulary

When two lines are cut by a transversal, a pair of angles on the same side of the transversal and inside the two lines

• alternate interior angles

• same-side interior angles

• corresponding angles

• same-side exterior angles

Lines that never meet or cross and stay the same distance apart

• perpendicular lines

• parallel lines

• intersecting lines

• transversal

When two lines are cut by a transversal, a pair of angles on opposite sides of the transversal and between the two lines

• alternate interior angles

• same-side interior angles

• vertical angles

• corresponding angles

When two lines are cut by a transversal, a pair of angles on the same side of the transversal and outside the two lines

• alternate exterior angles

• vertical angles

• corresponding angles

• same-side exterior angles

A pair of angles that occupy the same location at each intersection when two lines are intersected by one or more transversals

• complementary angles

• supplementary angles

• corresponding angles

• linear pair

A line that intersects 2 or more parallel lines is called a _________?

• transversal

• line segment

• vertical

• criterion

Two or more lines that will never touch are called _________?

• adjacent

• parallel

• similar

• complementary

The angles between two parallel lines are called?

• transversals

• interior

• exterior

• adjacent

The angles that are NOT between two parallel lines are called?

• exterior

• interior

• supplementary

• adjacent

When two lines are cut by a transversal, nonadjacent exterior angles that lie on opposite sides of the transversal.

• alternate exterior

• corresponding

• consecutive interior

• alternate interior